:root {
  --ink: #222222;
  --muted: #5f5a55;
  --paper: #fffdf8;
  --soft: #f7f0e4;
  --line: #dfd2bf;
  --accent: #2f7a66;
  --accent-dark: #225c4d;
  --gold: #a7782a;
  --shadow: 0 18px 48px rgba(45, 35, 22, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", serif;
  font-size: 17px;
  line-height: 1.9;
  letter-spacing: 0;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent-dark);
  text-underline-offset: 0.18em;
}

button,
input,
select,
textarea {
  font: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 10px clamp(18px, 4vw, 54px);
  background: rgba(255, 253, 248, 0.96);
  border-bottom: 1px solid rgba(167, 120, 42, 0.24);
  backdrop-filter: blur(12px);
}

.brand {
  display: block;
  width: min(330px, 56vw);
}

.brand img {
  width: 100%;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 30px);
  font-family: "Hiragino Sans", "Yu Gothic", "YuGothic", sans-serif;
  font-size: 15px;
  font-weight: 700;
}

.site-nav a {
  color: var(--ink);
  text-decoration: none;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--accent-dark);
  border-bottom-color: var(--accent);
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 10px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

.hero {
  background: #9d5b80;
}

.hero img {
  width: 100%;
  max-height: 78vh;
  object-fit: cover;
  object-position: center;
}

.notice {
  border-top: 1px solid rgba(255, 255, 255, 0.4);
  border-bottom: 1px solid var(--line);
  background: #ffffff;
}

.notice-inner,
.section-inner {
  width: min(1080px, calc(100% - 36px));
  margin: 0 auto;
}

.notice-inner {
  padding: 34px 0 38px;
  max-width: 900px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--gold);
  font-family: "Hiragino Sans", "Yu Gothic", "YuGothic", sans-serif;
  font-size: 14px;
  font-weight: 800;
}

h1,
h2,
h3,
h4,
p {
  overflow-wrap: anywhere;
}

h1,
h2 {
  margin: 0 0 24px;
  line-height: 1.35;
  font-weight: 700;
}

h1 {
  font-size: clamp(26px, 3.2vw, 38px);
}

h2 {
  font-size: clamp(28px, 3.4vw, 42px);
  text-align: center;
}

h3 {
  margin: 34px 0 14px;
  padding-left: 14px;
  border-left: 5px solid var(--accent);
  font-size: 22px;
  line-height: 1.45;
}

h4 {
  margin: 0 0 10px;
  color: var(--accent-dark);
  font-size: 19px;
}

.section {
  padding: clamp(58px, 8vw, 104px) 0;
}

.section.alt {
  background: var(--soft);
}

.prose {
  max-width: 880px;
}

.prose p {
  margin: 0 0 22px;
  text-indent: 1em;
}

.prose strong {
  color: var(--accent-dark);
}

.activities-list {
  margin: 0 0 28px;
  padding-left: 1.4em;
}

.activities-list li {
  margin-bottom: 10px;
}

.signature {
  margin: 42px 0 0 auto;
  max-width: 410px;
  text-align: right;
}

.signature p {
  margin: 0;
  text-indent: 0;
}

.signature .name {
  margin-top: 4px;
  font-weight: 700;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(28px, 5vw, 62px);
  align-items: start;
}

.definition-list {
  margin: 0;
  border-top: 1px solid var(--line);
}

.definition-list div {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.definition-list dt {
  color: var(--accent-dark);
  font-weight: 700;
}

.definition-list dd {
  margin: 0;
}

.plain-list {
  margin: 0;
  padding-left: 1.3em;
}

.plain-list li + li {
  margin-top: 10px;
}

.fee-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.fee-grid article {
  min-height: 180px;
  padding: 22px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(45, 35, 22, 0.06);
}

.fee-grid p {
  margin: 0;
}

.activity-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 36px 0;
}

.activity-summary div {
  padding: 24px;
  background: #fffaf1;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.activity-summary h3 {
  margin-top: 0;
}

.activity-summary p {
  margin-bottom: 0;
}

.schedule {
  border-top: 1px solid var(--line);
}

.schedule article {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.schedule time {
  color: var(--accent-dark);
  font-family: "Hiragino Sans", "Yu Gothic", "YuGothic", sans-serif;
  font-weight: 800;
}

.schedule p {
  margin: 0;
}

.schedule .special {
  padding: 18px 20px;
  background: #f9f5ee;
  border-left: 5px solid var(--accent);
}

.profiles {
  margin-top: 48px;
  border-top: 1px solid var(--line);
}

.profiles article {
  border-bottom: 1px solid var(--line);
}

.profiles h4 {
  margin: 0;
  padding: 18px 4px 6px;
  color: var(--accent-dark);
  font-weight: 700;
}

.profiles h4 span {
  display: inline-block;
  margin-left: 0.45em;
  color: var(--muted);
  font-size: 0.86em;
  font-weight: 600;
}

.profiles p {
  margin: 0;
  padding: 0 4px 20px;
}

.flyer-section {
  padding: clamp(56px, 8vw, 96px) 0;
  color: var(--ink);
  background: #efe4c8;
}

.flyer-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(280px, 420px);
  gap: clamp(30px, 6vw, 72px);
  align-items: center;
}

.flyer-layout h2 {
  color: var(--ink);
  text-align: left;
}

.flyer-layout p {
  color: var(--muted);
}

.flyer-link {
  display: block;
}

.flyer-link img {
  border: 1px solid rgba(108, 75, 103, 0.28);
  box-shadow: var(--shadow);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1fr);
  gap: clamp(30px, 6vw, 72px);
  align-items: start;
}

.lead {
  font-size: 19px;
}

.contact-mail {
  font-weight: 700;
}

.venue {
  margin-top: 30px;
}

.venue h3 {
  margin-top: 0;
}

.contact-form {
  padding: clamp(22px, 4vw, 34px);
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.contact-form label {
  display: block;
  margin-bottom: 18px;
  color: var(--ink);
  font-weight: 700;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  display: block;
  width: 100%;
  min-height: 48px;
  margin-top: 6px;
  padding: 10px 12px;
  color: var(--ink);
  background: #fffefa;
  border: 1px solid #cfc1ad;
  border-radius: 6px;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 3px solid rgba(47, 122, 102, 0.22);
  border-color: var(--accent);
}

.form-note {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 15px;
}

.contact-form button {
  width: 100%;
  min-height: 54px;
  color: #ffffff;
  background: var(--accent-dark);
  border: 0;
  border-radius: 6px;
  font-family: "Hiragino Sans", "Yu Gothic", "YuGothic", sans-serif;
  font-weight: 800;
  cursor: pointer;
}

.contact-form button:hover,
.contact-form button:focus-visible {
  background: #174739;
}

.site-footer {
  padding: 28px 18px;
  text-align: center;
  color: var(--muted);
  background: #ffffff;
  border-top: 1px solid var(--line);
}

.footer-nav {
  margin-bottom: 10px;
  font-family: "Hiragino Sans", "Yu Gothic", "YuGothic", sans-serif;
  font-size: 14px;
}

.footer-nav a {
  color: var(--accent-dark);
}

.site-footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    right: 18px;
    left: 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 14px 12px;
    border-bottom: 1px solid var(--line);
  }

  .site-nav a:last-child {
    border-bottom: 0;
  }

  .two-column,
  .activity-summary,
  .flyer-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .fee-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  body {
    font-size: 16px;
    line-height: 1.85;
  }

  .site-header {
    min-height: 66px;
    padding-inline: 14px;
  }

  .brand {
    width: min(250px, 62vw);
  }

  .hero img {
    min-height: 360px;
  }

  .notice-inner,
  .section-inner {
    width: min(100% - 28px, 1080px);
  }

  .definition-list div,
  .schedule article {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .fee-grid {
    grid-template-columns: 1fr;
  }

  .fee-grid article {
    min-height: auto;
  }

  .contact-form {
    padding: 20px;
  }
}